Astrum BT300 Dual Mode BT Transceiver
The Astrum BT300 (model A85030-B) is a versatile BT 5.3 dual-channel transmitter and receiver, perfect for seamlessly switching between streaming from wired sources to Bluetooth devices or receiving audio to wired speakers. With simultaneous connection to two devices in TX mode and intuitive controls, it makes wireless audio effortless.
Compact and portable, the BT300 delivers long battery life, fast charging via USB-C, and support for multiple input formats like AUX and TF card. Ideal for home entertainment, travel, and multi-device setups.
Performance tier: Mid-range portable audio adapter
Uses: Transmitting audio, receiving audio, dual streaming, travel, home audio, TV audio, phone calls
Multi-device Wireless transmitter and receiver with dual-mode functionality, the Astrum BT300 allows seamless wireless audio transmission from your wired devices such as HDTVs, car stereos, or speakers. Whether you're streaming from your TV to Bluetooth headphones or receiving music from your phone to a wired speaker, this adapter enhances any setup with wireless freedom.
Equipped with the latest Bluetooth 5.3 technology, the BT300 supports automatic pairing and can connect to two devices at once, enabling you to stream from both simultaneously. You can effortlessly switch between devices-such as sharing music from two phones on one wired speaker or connecting to two wireless headphones in TX mode for a truly shared audio experience.
The built-in rechargeable battery delivers up to 13 hours of continuous playtime, and with USB-C fast charging, you can quickly top up the battery and even use the device while charging-ideal for extended use at home, on the road, or during travel.
Flexible input options include 3.5mm AUX and TF card support (up to 64GB), making it compatible with a variety of devices from gaming consoles and PCs to stereos and amplifiers. An intuitive knob interface and dynamic display allow for precise volume control and real-time information, such as battery life and connection status.
Compact, lightweight, and designed for convenience, the BT300 also includes a hands-free mic for calls, RGB light accents, and high-fidelity support for formats like MP3, WAV, and lossless FLAC.
The Astrum BT300 is thoughtfully engineered for audio flexibility. Measuring just 45 x 45 x 16 mm and weighing only 33 g, it blends portability with robust performance. In transmitter mode, it can handle two Bluetooth connections at once-so you can listen with a friend or broadcast from two different sources simultaneously. As a receiver, it breathes wireless life into any wired speaker or car system.
The device runs on Bluetooth 5.3, delivering low-latency, reliable audio up to 10 m away. A convenient knob and display bring easy control, revealing battery status and volume as you go. The TF card slot accepts cards up to 64 GB, while the 3.5 mm AUX jack ensures compatibility with a wide range of devices. USB-C charging delivers full battery in just 2 hours, and the unit supports use during charging. Added touches like RGB lighting and a built-in mic make it a functional, modern companion for entertainment and communication on the move.
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Specifications | |
| Product Code | A85030-B |
| Bluetooth Version | 5.3 (range up to 10m) |
| Decoding | MP3 / WMA / WAV / FLAC |
| Input Voltage | 5V DC |
| Charging Time | 2 hours (approx.) |
| Working Time | RX - 11 hours / TX - 13 hours |
| Dimensions | 45 x 45 x 16mm |
| Weight | 33g |
| Input/Output | 3.5mm AUX, TF card (up to 64GB) |
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